The WS-C6K-13SLOT-FAN is a Cisco fan tray designed for the Catalyst 6500 series chassis. It provides cooling for up to 13 slots, ensuring reliable thermal management for high‑density networking equipment. The tray integrates with the WS‑C6K chassis architecture and replaces or supplements existing fan modules to maintain optimal operating temperatures. It is built to Cisco’s quality standards for durability and serviceability, and it is intended for use in enterprise and data‑center environments where continuous operation of the Catalyst 6500 platform is required. Compatibility is limited to the specified series and slot configuration.